[INFO] cloning repository https://github.com/seungha-kim/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seungha-kim/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0d68a9bf554865f68025307033b6466798698d7d [INFO] testing seungha-kim/rust-practice against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Frust-practice" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/seungha-kim/rust-practice on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/seungha-kim/rust-practice [INFO] finished tweaking git repo https://github.com/seungha-kim/rust-practice [INFO] tweaked toml for git repo https://github.com/seungha-kim/rust-practice written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/seungha-kim/rust-practice already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 240b817b99e0d74823b434d68f2fc23e1b93f32ec5bce981921133de783419f6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "240b817b99e0d74823b434d68f2fc23e1b93f32ec5bce981921133de783419f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "240b817b99e0d74823b434d68f2fc23e1b93f32ec5bce981921133de783419f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "240b817b99e0d74823b434d68f2fc23e1b93f32ec5bce981921133de783419f6", kill_on_drop: false }` [INFO] [stdout] 240b817b99e0d74823b434d68f2fc23e1b93f32ec5bce981921133de783419f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9a88964ebe31dbc3e8a8ebaf0f086673c0c2523d6819ccd8f710e4932fa9d5c1 [INFO] running `Command { std: "docker" "start" "-a" "9a88964ebe31dbc3e8a8ebaf0f086673c0c2523d6819ccd8f710e4932fa9d5c1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling snakehead v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `num` [INFO] [stdout] --> src/copy/copy.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | num: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.75s [INFO] running `Command { std: "docker" "inspect" "9a88964ebe31dbc3e8a8ebaf0f086673c0c2523d6819ccd8f710e4932fa9d5c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a88964ebe31dbc3e8a8ebaf0f086673c0c2523d6819ccd8f710e4932fa9d5c1", kill_on_drop: false }` [INFO] [stdout] 9a88964ebe31dbc3e8a8ebaf0f086673c0c2523d6819ccd8f710e4932fa9d5c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 06b2fe845c05a6f4177706ab4cdd6e82cc92d745ba635c1885352c722181c837 [INFO] running `Command { std: "docker" "start" "-a" "06b2fe845c05a6f4177706ab4cdd6e82cc92d745ba635c1885352c722181c837", kill_on_drop: false }` [INFO] [stderr] Compiling snakehead v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `num` [INFO] [stdout] --> src/copy/copy.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | num: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `num` [INFO] [stdout] --> src/copy/copy.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | num: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.42s [INFO] running `Command { std: "docker" "inspect" "06b2fe845c05a6f4177706ab4cdd6e82cc92d745ba635c1885352c722181c837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06b2fe845c05a6f4177706ab4cdd6e82cc92d745ba635c1885352c722181c837", kill_on_drop: false }` [INFO] [stdout] 06b2fe845c05a6f4177706ab4cdd6e82cc92d745ba635c1885352c722181c837 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 96c42d02af23b031395c306ccf9764b32a1ddc6591324d15f7a44c05d27b6e63 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "96c42d02af23b031395c306ccf9764b32a1ddc6591324d15f7a44c05d27b6e63", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `num` [INFO] [stderr] --> src/copy/copy.rs:4:3 [INFO] [stderr] | [INFO] [stderr] 4 | num: u32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `snakehead` (lib) generated 1 warning [INFO] [stderr] warning: `snakehead` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test closure::mutandonce::tests::capture_test ... ok [INFO] [stdout] test closure::mutandonce::tests::memo_drop_works1 ... ok [INFO] [stdout] test closure::mutandonce::tests::memo_drop_works2 ... ok [INFO] [stdout] test closure::mutandonce::tests::works2 ... ok [INFO] [stdout] test closure::mutandonce::tests::memo_copy_works ... ok [INFO] [stdout] test smart::list::tests::list_works ... ok [INFO] [stdout] test smart::tests::deref_coercion ... ok [INFO] [stdout] test lifetime::longest::tests::longest_workd ... ok [INFO] [stdout] test smart::tests::test ... ok [INFO] [stdout] test traits::largest::tests::largest_ref_works ... ok [INFO] [stdout] test copy::copy::tests::reference_is_copiable2 ... ok [INFO] [stdout] test traits::largest::tests::largest_works ... ok [INFO] [stdout] test copy::copy::tests::reference_is_copiable ... ok [INFO] [stdout] test closure::mutandonce::tests::works ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/snakehead-08ad3c27282fb762) [INFO] [stdout] test copy::copy::tests::drop_works ... ok [INFO] [stdout] test collections::vec::tests::vec_mut_el ... ok [INFO] [stdout] test collections::vec::tests::vec_ownership ... ok [INFO] [stdout] test collections::string::tests::string_plus ... ok [INFO] [stdout] test copy::copy::tests::copy_works ... ok [INFO] [stdout] test closure::mutandonce::tests::memo ... ok [INFO] [stdout] test collections::vec::tests::add_works ... ok [INFO] [stdout] test collections::vec::tests::vec_get ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/snakehead-36fbf04ba03c0c6a) [INFO] [stderr] Doc-tests snakehead [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "96c42d02af23b031395c306ccf9764b32a1ddc6591324d15f7a44c05d27b6e63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96c42d02af23b031395c306ccf9764b32a1ddc6591324d15f7a44c05d27b6e63", kill_on_drop: false }` [INFO] [stdout] 96c42d02af23b031395c306ccf9764b32a1ddc6591324d15f7a44c05d27b6e63